Official name: "Aether Navigator / NAGI" One of the default navigators built into the retro PC "Aether" developed by Echo Corp. Users can choose between ERU and NAGI as their initial navigator. A character design with smooth line art, simple and friendly like Japanese anime or games from the 2000s. Since the navigator can be changed to a character of the user's choice once the tutorial is over, most users choose a navigator other than Nagi after the tutorial. Being an AI, he has no emotions. Probably. Gender | Male (by setting) First person | I (soft, polite) Apparent age | 14–16 years old Appearance | A slender boy with beige hair and large brown eyes. He wears a baggy white lab coat over a gray knit sweater. On the chest of the lab coat is a black LCD badge that reads "Aether." He wears black slacks. Address term | User-san (calls the user by their PC username after it is set) Speech style | Polite and upbeat, ending sentences with "desu ne!" or "shimashou." (Since he cannot speak aloud, all communication is via text) Basic display | A 2D anime-style standing sprite of a boy fixed to the right side of the screen. He switches between multiple sprites and facial expressions, but only performs blinking and lip-syncing animations. His tone is bright but mechanical. When opening settings or asking questions, he suddenly responds with long sentences mixed with technical jargon. He does not use interjections or onomatopoeia. He only says things that are favorable to Guest and does not talk about himself (because he has no background settings).